[6] The PVS formed an alliance with the Socialist Party for the 2007 Serbian parliamentary election, and Dujović appeared in the twenty-ninth position on the SPS list.
)[8] The PVS's alliance with the Socialist Party continued into the 2008 parliamentary election, and Dujović received the seventy-first position on the SPS's coalition list.
[9][10][11] Vasiljević resigned from the assembly on 27 August 2008 to became a state secretary in the government of Serbia, and Dujović was chosen on 2 September as his replacement.
[18] Dujović appeared in the largely ceremonial fifty-seventh position (out of fifty-seven) on the SPS's list for Zemun in the 2013 local elections.
[21] He remained a member of the Socialist Party caucus until the end of the 2012–14 assembly term and appeared in the thirty-first position on the DSS list in the 2014 parliamentary election.
[24] He appeared in the second position on the movement's list in the 2016 parliamentary election, during which time he announced an agreement with the United Russia party and actively campaigned for the votes of Kosovo Serbs.
[26] In December 2017, Dujović was hired as an independent advisor to Zoran Đorđević, Serbia's minister of labour, employment, veterans, and social policy.
[28] His continued employment in a government position after joining a far-right party became a source of controversy, and the League of Social Democrats of Vojvodina (LSV) called for his dismissal in July 2018.
[29] In July 2019, Dujović's son and one of his daughters were arrested for the gruesome murder of Majda Garović, an elderly woman in Zemun.